Home / 1,122,458.51-1,548,990.11-613,164.53

Finding the Fourth Proportional to 1,122,458.51, 1,548,990.11 and 613,164.53

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Solution

The fourth proportional to 1,122,458.51, 1,548,990.11 and 613,164.53 is: 846,165.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,458.51 : 1,548,990.11 = 613,164.53 : x
  2. Step 2: Convert to fraction form
    1,122,458.51/1,548,990.11 = 613,164.53/x
  3. Step 3: Cross multiply
    1,122,458.51x = 1,548,990.11 × 613,164.53
  4. Step 4: Simplify right side
    1,122,458.51x = 949,785,786,560.76
  5. Step 5: Solve for x
    x = 949,785,786,560.76/1,122,458.51
  6. Step 6: Final answer
    x = 846,165.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.